117427730670 has 96 divisors (see below), whose sum is σ = 319525446240. Its totient is φ = 31026706560.

The previous prime is 117427730657. The next prime is 117427730671. The reversal of 117427730670 is 76037724711.

It is a happy number.

117427730670 is a `hidden beast` number, since 1 + 1 + 7 + 4 + 277 + 306 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117427730671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43200 + ... + 486540.

It is an arithmetic number, because the mean of its divisors is an integer number (3328390065).

Almost surely, 2^117427730670 is an apocalyptic number.

117427730670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117427730670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159762723120).

117427730670 is an abundant number, since it is smaller than the sum of its proper divisors (202097715570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117427730670 is a wasteful number, since it uses less digits than its factorization.

117427730670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443472 (or 443460 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The spelling of 117427730670 in words is "one hundred seventeen billion, four hundred twenty-seven million, seven hundred thirty thousand, six hundred seventy".